/* roulang page: index */
:root {
      --primary: #0F172A;
      --primary-hover: #1E293B;
      --accent: #2563EB;
      --accent-hover: #1D4ED8;
      --success: #10B981;
      --bg-page: #F8FAFC;
      --bg-card: #FFFFFF;
      --bg-dark: #0B0F19;
      --text-main: #0F172A;
      --text-muted: #475569;
      --text-light: #94A3B8;
      --text-inverse: #F8FAFC;
      --border-color: #E2E8F0;
      --border-dark: rgba(255, 255, 255, 0.08);
      --radius-sm: 4px;
      --radius-md: 6px;
      --radius-lg: 8px;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
      --shadow-md: 0 4px 20px -2px rgba(15, 23, 42, 0.06);
      --shadow-lg: 0 10px 30px -5px rgba(15, 23, 42, 0.12);
      --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
      --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      --font-num: "DIN Alternate", Inter, -apple-system, sans-serif;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: var(--font-stack);
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
    }

    ul, ol {
      list-style: none;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部通栏信息条 */
    .top-bar {
      background-color: #060911;
      color: var(--text-light);
      font-size: 13px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .top-bar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 40px;
    }
    .top-bar-tags {
      display: flex;
      gap: 16px;
    }
    .top-bar-tags span {
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .pulse-dot {
      width: 6px;
      height: 6px;
      background-color: var(--success);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--success);
    }

    /* 导航栏 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background-color: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 20px;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.02em;
    }
    .logo-badge {
      width: 34px;
      height: 34px;
      background: linear-gradient(135deg, var(--accent), #1E40AF);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
      font-weight: 800;
      font-size: 16px;
    }
    .main-nav ul {
      display: flex;
      gap: 32px;
    }
    .main-nav a {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      position: relative;
      padding: 6px 0;
    }
    .main-nav a:hover,
    .main-nav a.active {
      color: var(--accent);
    }
    .main-nav a.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background-color: var(--accent);
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    /* 按钮通用体系 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 22px;
      font-size: 14px;
      font-weight: 600;
      border-radius: var(--radius-md);
      transition: var(--transition);
      cursor: pointer;
      border: 1px solid transparent;
      white-space: nowrap;
    }
    .btn:active {
      transform: scale(0.98);
    }
    .btn-primary {
      background-color: var(--accent);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
    }
    .btn-primary:hover {
      background-color: var(--accent-hover);
      box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
    }
    .btn-secondary {
      background-color: #FFFFFF;
      color: var(--primary);
      border-color: var(--border-color);
    }
    .btn-secondary:hover {
      border-color: var(--text-muted);
      background-color: #F1F5F9;
    }
    .btn-dark {
      background-color: var(--primary);
      color: #FFFFFF;
    }
    .btn-dark:hover {
      background-color: var(--primary-hover);
    }
    .btn-outline-light {
      background-color: transparent;
      color: #FFFFFF;
      border-color: rgba(255, 255, 255, 0.2);
    }
    .btn-outline-light:hover {
      border-color: #FFFFFF;
      background-color: rgba(255, 255, 255, 0.08);
    }

    /* 基础通用板块样式 */
    .section {
      padding: 96px 0;
      position: relative;
    }
    .section-alt {
      background-color: #FFFFFF;
    }
    .section-dark {
      background-color: var(--bg-dark);
      color: var(--text-inverse);
    }
    .section-header {
      margin-bottom: 48px;
    }
    .section-header.center {
      text-align: center;
      max-width: 760px;
      margin-left: auto;
      margin-right: auto;
      margin-bottom: 56px;
    }
    .section-eyebrow {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--accent);
      margin-bottom: 12px;
    }
    .section-dark .section-eyebrow {
      color: #60A5FA;
    }
    .section-title {
      font-size: 34px;
      font-weight: 700;
      line-height: 1.3;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .section-dark .section-title {
      color: #FFFFFF;
    }
    .section-desc {
      font-size: 16px;
      line-height: 1.8;
      color: var(--text-muted);
    }
    .section-dark .section-desc {
      color: var(--text-light);
    }

    /* 板块 1: Hero Section (杂志分栏) */
    .hero-section {
      position: relative;
      background: radial-gradient(circle at 80% 20%, #1e293b, #0B0F19);
      color: #FFFFFF;
      padding: 96px 0 110px;
      overflow: hidden;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .hero-bg-layer {
      position: absolute;
      inset: 0;
      opacity: 0.15;
      background-size: cover;
      background-position: center;
      mix-blend-mode: luminosity;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.25fr 1fr;
      gap: 56px;
      align-items: center;
      position: relative;
      z-index: 2;
    }
    .hero-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      background: rgba(37, 99, 235, 0.15);
      border: 1px solid rgba(37, 99, 235, 0.4);
      border-radius: 999px;
      font-size: 13px;
      color: #93C5FD;
      margin-bottom: 24px;
    }
    .hero-title {
      font-size: 46px;
      line-height: 1.2;
      font-weight: 800;
      letter-spacing: -0.02em;
      margin-bottom: 20px;
    }
    .hero-title span {
      background: linear-gradient(135deg, #60A5FA, #3B82F6);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 16px;
      line-height: 1.8;
      color: #CBD5E1;
      margin-bottom: 32px;
      max-width: 600px;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }
    .hero-card-featured {
      background: rgba(15, 23, 42, 0.7);
      backdrop-filter: blur(16px);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    }
    .featured-badge-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
      padding-bottom: 14px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .featured-tag {
      font-size: 12px;
      font-weight: 700;
      color: var(--success);
      letter-spacing: 0.05em;
    }
    .featured-time {
      font-size: 12px;
      color: var(--text-light);
      font-family: var(--font-num);
    }
    .featured-thumb {
      border-radius: var(--radius-md);
      overflow: hidden;
      margin-bottom: 20px;
      height: 200px;
    }
    .featured-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .hero-card-featured:hover .featured-thumb img {
      transform: scale(1.04);
    }
    .featured-headline {
      font-size: 18px;
      font-weight: 600;
      color: #FFFFFF;
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .featured-sub {
      font-size: 14px;
      color: #94A3B8;
      line-height: 1.6;
      margin-bottom: 20px;
    }
    .featured-meta-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      background: rgba(255, 255, 255, 0.04);
      padding: 12px 16px;
      border-radius: var(--radius-sm);
    }
    .meta-col-item {
      text-align: center;
    }
    .meta-col-item .label {
      font-size: 11px;
      color: #64748B;
      display: block;
      margin-bottom: 4px;
    }
    .meta-col-item .val {
      font-size: 15px;
      font-weight: 700;
      color: #F8FAFC;
      font-family: var(--font-num);
    }

    /* 板块 2: 方案列表轨 (横向滑轨卡片) */
    .tracks-rail-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .rail-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .rail-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #CBD5E1;
    }
    .rail-index {
      font-family: var(--font-num);
      font-size: 13px;
      color: var(--accent);
      font-weight: 700;
      margin-bottom: 12px;
    }
    .rail-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .rail-summary {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .rail-link {
      font-size: 13px;
      font-weight: 600;
      color: var(--accent);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* 板块 3: 核心服务矩阵 (热播推荐风格，大图带状态) */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    .matrix-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .matrix-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(37, 99, 235, 0.4);
    }
    .matrix-media {
      height: 200px;
      position: relative;
      overflow: hidden;
    }
    .matrix-media img {
      width: 100%;
      height: 100%;
      transition: transform 0.5s ease;
    }
    .matrix-card:hover .matrix-media img {
      transform: scale(1.05);
    }
    .matrix-badge {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(15, 23, 42, 0.85);
      backdrop-filter: blur(4px);
      color: #FFFFFF;
      font-size: 11px;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
    }
    .matrix-content {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .matrix-title {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }
    .matrix-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .matrix-features-list {
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .chip {
      font-size: 12px;
      background-color: #F1F5F9;
      color: #334155;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
    }

    /* 板块 4: 竞赛类型分类入口 */
    .category-entry-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .cat-entry-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 24px;
      transition: var(--transition);
      text-align: center;
    }
    .cat-entry-card:hover {
      border-color: var(--accent);
      background-color: #F8FAFC;
      transform: translateY(-2px);
    }
    .cat-icon-slot {
      width: 48px;
      height: 48px;
      background: #EFF6FF;
      color: var(--accent);
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      font-size: 20px;
      font-weight: 800;
    }
    .cat-entry-card:hover .cat-icon-slot {
      background: var(--accent);
      color: #FFFFFF;
    }
    .cat-entry-card h4 {
      font-size: 17px;
      margin-bottom: 8px;
      color: var(--text-main);
    }
    .cat-entry-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 板块 5: 技术架构分区 (片单分区理念) */
    .division-block {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: grid;
      grid-template-columns: 1.1fr 1fr;
    }
    .division-info {
      padding: 48px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .division-info h3 {
      font-size: 26px;
      font-weight: 700;
      margin-bottom: 16px;
      color: var(--text-main);
    }
    .division-info p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .spec-checklist {
      margin-bottom: 32px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .spec-item {
      font-size: 14px;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .spec-item::before {
      content: "✓";
      color: var(--success);
      font-weight: 800;
    }
    .division-media {
      background-color: #0F172A;
      position: relative;
      min-height: 360px;
    }
    .division-media img {
      width: 100%;
      height: 100%;
      opacity: 0.85;
    }

    /* 板块 6: 平台效能指标与保障榜 (评分榜/数据条) */
    .stats-scoreboard {
      background-color: var(--bg-dark);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-lg);
      padding: 48px 32px;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
    }
    .stat-node {
      border-left: 2px solid rgba(37, 99, 235, 0.5);
      padding-left: 24px;
    }
    .stat-number {
      font-family: var(--font-num);
      font-size: 42px;
      font-weight: 800;
      color: #FFFFFF;
      line-height: 1;
      margin-bottom: 8px;
    }
    .stat-label {
      font-size: 14px;
      font-weight: 600;
      color: #93C5FD;
      margin-bottom: 6px;
    }
    .stat-note {
      font-size: 12px;
      color: var(--text-light);
      line-height: 1.5;
    }

    /* 板块 7: 数字化执行流程 (4步标准化时间线) */
    .step-flow-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .step-flow-grid::before {
      content: '';
      position: absolute;
      top: 32px;
      left: 12%;
      right: 12%;
      height: 2px;
      background: #E2E8F0;
      z-index: 1;
    }
    .step-card {
      position: relative;
      z-index: 2;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }
    .step-badge {
      width: 48px;
      height: 48px;
      background: #F1F5F9;
      border: 2px solid var(--accent);
      color: var(--accent);
      font-family: var(--font-num);
      font-weight: 800;
      font-size: 18px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
    }
    .step-name {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .step-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 8: 行业观察与资讯中心 (3列资讯) */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .news-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .news-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }
    .news-img {
      height: 180px;
      overflow: hidden;
    }
    .news-img img {
      width: 100%;
      height: 100%;
      transition: transform 0.4s ease;
    }
    .news-card:hover .news-img img {
      transform: scale(1.04);
    }
    .news-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-meta {
      font-size: 12px;
      color: var(--text-light);
      margin-bottom: 10px;
      display: flex;
      gap: 12px;
    }
    .news-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.4;
      margin-bottom: 12px;
    }
    .news-summary {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
      margin-bottom: 16px;
    }
    .news-action {
      font-size: 13px;
      font-weight: 600;
      color: var(--accent);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 板块 9: 追剧入口式排班与赛历矩阵 */
    .schedule-table-wrap {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .schedule-row {
      display: grid;
      grid-template-columns: 140px 1.5fr 1fr 120px 140px;
      align-items: center;
      padding: 20px 28px;
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition);
    }
    .schedule-row:last-child {
      border-bottom: none;
    }
    .schedule-row:hover {
      background-color: #F8FAFC;
    }
    .schedule-date {
      font-family: var(--font-num);
      font-weight: 700;
      color: var(--accent);
      font-size: 15px;
    }
    .schedule-name {
      font-weight: 700;
      color: var(--text-main);
      font-size: 15px;
    }
    .schedule-scale {
      font-size: 13px;
      color: var(--text-muted);
    }
    .schedule-status {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      font-weight: 600;
      color: var(--success);
    }
    .schedule-btn {
      text-align: right;
    }

    /* 板块 10: 前后对比选型表 */
    .compare-container {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .compare-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr 1fr;
    }
    .compare-header {
      background: #F1F5F9;
      font-weight: 700;
      padding: 18px 24px;
      border-bottom: 1px solid var(--border-color);
      font-size: 15px;
    }
    .compare-header.highlight {
      background: #EFF6FF;
      color: var(--accent);
      border-left: 2px solid var(--accent);
    }
    .compare-cell {
      padding: 16px 24px;
      border-bottom: 1px solid var(--border-color);
      font-size: 14px;
      display: flex;
      align-items: center;
    }
    .compare-grid .compare-cell:nth-child(3n+2) {
      color: #64748B;
    }
    .compare-grid .compare-cell:nth-child(3n) {
      background: #F8FAFC;
      color: var(--text-main);
      font-weight: 600;
      border-left: 1px solid var(--border-color);
    }

    /* 板块 11: 合作伙伴生态墙 */
    .partner-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .partner-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 15px;
      color: #64748B;
      transition: var(--transition);
      letter-spacing: -0.01em;
    }
    .partner-item:hover {
      border-color: var(--accent);
      color: var(--accent);
      box-shadow: var(--shadow-sm);
      transform: translateY(-2px);
    }

    /* 板块 12: 常见业务与技术解答 (FAQ) */
    .faq-accordion-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 24px;
      transition: var(--transition);
    }
    .faq-item:hover {
      border-color: #CBD5E1;
    }
    .faq-q {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .faq-q::before {
      content: 'Q.';
      color: var(--accent);
      margin-right: 8px;
      font-family: var(--font-num);
    }
    .faq-a {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      padding-left: 28px;
    }

    /* 板块 13: 综合保障条与服务收口 */
    .cta-surface {
      background: linear-gradient(135deg, #0B0F19 0%, #1E293B 100%);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-lg);
      padding: 56px 48px;
      color: #FFFFFF;
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .cta-content h3 {
      font-size: 30px;
      font-weight: 800;
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .cta-content p {
      font-size: 15px;
      color: #94A3B8;
      line-height: 1.7;
      margin-bottom: 28px;
    }
    .cta-badges-row {
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
    }
    .cta-badge-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: #E2E8F0;
    }
    .cta-badge-item::before {
      content: '●';
      color: var(--success);
      font-size: 10px;
    }
    .form-wrapper {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-md);
      padding: 32px;
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-label {
      display: block;
      font-size: 13px;
      color: #CBD5E1;
      margin-bottom: 6px;
    }
    .form-control {
      width: 100%;
      height: 44px;
      background: rgba(15, 23, 42, 0.8);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: var(--radius-sm);
      padding: 0 14px;
      font-size: 14px;
      color: #FFFFFF;
      outline: none;
      transition: var(--transition);
    }
    .form-control:focus {
      border-color: var(--accent);
      background: rgba(15, 23, 42, 1);
    }
    .form-submit-btn {
      width: 100%;
      height: 46px;
      background: var(--accent);
      color: #FFFFFF;
      font-size: 15px;
      font-weight: 700;
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition);
      margin-top: 8px;
    }
    .form-submit-btn:hover {
      background: var(--accent-hover);
    }

    /* 页脚 Footer */
    .site-footer {
      background-color: #060911;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      color: #94A3B8;
      padding: 80px 0 32px;
      font-size: 14px;
    }
    .footer-columns {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 60px;
    }
    .footer-brand-title {
      font-size: 20px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 16px;
    }
    .footer-desc {
      font-size: 14px;
      line-height: 1.7;
      color: #64748B;
      margin-bottom: 20px;
      max-width: 320px;
    }
    .footer-col h5 {
      font-size: 15px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 20px;
    }
    .footer-col ul {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-col a {
      color: #94A3B8;
    }
    .footer-col a:hover {
      color: #FFFFFF;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 32px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      color: #64748B;
    }

    /* 响应式适配 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .matrix-grid,
      .tracks-rail-grid,
      .category-entry-grid,
      .step-flow-grid,
      .news-grid,
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .division-block {
        grid-template-columns: 1fr;
      }
      .division-media {
        min-height: 260px;
      }
      .cta-surface {
        grid-template-columns: 1fr;
      }
      .step-flow-grid::before {
        display: none;
      }
      .schedule-row {
        grid-template-columns: 100px 1fr 1fr 90px;
      }
      .schedule-row .schedule-scale {
        display: none;
      }
      .footer-columns {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .main-nav, .header-actions .btn {
        display: none;
      }
      .hero-title {
        font-size: 32px;
      }
      .section-title {
        font-size: 26px;
      }
      .section {
        padding: 64px 0;
      }
      .tracks-rail-grid,
      .matrix-grid,
      .category-entry-grid,
      .step-flow-grid,
      .news-grid,
      .stats-grid,
      .partner-grid {
        grid-template-columns: 1fr;
      }
      .compare-grid {
        grid-template-columns: 1fr;
      }
      .schedule-row {
        grid-template-columns: 1fr;
        gap: 8px;
        padding: 16px;
      }
      .schedule-btn {
        text-align: left;
      }
      .footer-columns {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
      }
    }